Pentair Great White Oscillator Assembly Kit | GW9503

Pentair SKU: GW9503
Pentair Great White Oscillator Assembly Kit | GW9503 - Cleaner Parts - img - 1
Pentair Oscillator Assembly Kit for Great White Pool Cleaner GW9503 - Cleaner Parts - img-1
Pentair Oscillator Assembly Kit for Great White Pool Cleaner GW9503 - Cleaner Parts - img-2
Pentair Oscillator Assembly Kit for Great White Pool Cleaner GW9503 - Cleaner Parts - img-3
Pentair Oscillator Assembly Kit for Great White Pool Cleaner GW9503 - Cleaner Parts - img-4
Pentair Great White Oscillator Assembly Kit | GW9503 - Cleaner Parts - img - 1
Pentair Oscillator Assembly Kit for Great White Pool Cleaner GW9503 - Cleaner Parts - img-1
Pentair Oscillator Assembly Kit for Great White Pool Cleaner GW9503 - Cleaner Parts - img-2
Pentair Oscillator Assembly Kit for Great White Pool Cleaner GW9503 - Cleaner Parts - img-3
Pentair Oscillator Assembly Kit for Great White Pool Cleaner GW9503 - Cleaner Parts - img-4
Dorado Suction-Side Cleaner Not sure it fits? See this part on the interactive diagrams Dorado Suction-Side CleanerKreepy Krauly Great White Suction-Side Cleaner

Pentair Great White Oscillator Assembly Kit | GW9503

Pentair SKU: GW9503
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$119.94
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Questions about returns? View our return policy.
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Pentair GW9503 Oscillator Assembly Kit

The Pentair GW9503 is a replacement oscillator assembly kit designed for use in compatible automatic suction-side pool cleaner models. It helps restore the turning mechanism inside the cleaner, enabling proper navigation and coverage of the pool floor and walls.

Key Features

  • Complete oscillator assembly kit including seals and mounting hardware.
  • Restores cleaner’s internal turning and oscillation mechanism when original parts wear.
  • OEM quality replacement to maintain compatibility and performance of the cleaner.
  • Service friendly design for fast swap-out and minimal downtime during repairs.

Technical Specifications

  • Part Number: GW9503
  • Includes: Oscillator assembly, seals, mounting hardware
  • Application: Suction-side automatic pool cleaner turning mechanism repair kit

Installation & Compatibility Notes

Before installing, shut off the pool pump and relieve suction pressure. Disconnect the cleaner from the hose and remove the top cover or shroud as required. Remove the worn oscillator assembly, clean mounting surfaces, install the GW9503 kit and reassemble the cleaner. After reconnecting and restarting the system, verify that the cleaner now turns properly, navigates corners and covers the pool as expected.

Maintenance Tips

  • Check for reduced turning behavior, stuck wheel movement or cleaner repeating paths — symptoms indicating the oscillator may be worn.
  • Replace the oscillator assembly rather than other parts if turning becomes erratic or the cleaner seems locked in one area.
  • Stock this kit on your service vehicle or in your parts inventory to quickly address cleaner movement failures.

Why Choose This Kit?

For pool service professionals and serious pool owners, the GW9503 kit offers a practical, effective solution to restore cleaner coverage and avoid full cleaner replacement. By using the correct OEM-style part, you ensure continued reliability and reduce service callbacks.

Questions about returns? View our return policy.

Hours Of Operation:

Monday - Friday: 7:00 am to 5:00 pm Phoenix Time

Saturday: 8:00 am to 2:00 pm

Sunday: Closed

  • We do not ship on Saturday or Sunday.
  • Orders totaling more than $300 will require signature confirmation upon delivery.
  • We process and prepare orders for shipment within 1 business day. Please note that many other pool supply retailers require 3–5 days of handling time before shipping.
  • Orders placed after 1:00 pm Phoenix Time may not be eligible for same-day shipment.
  • Expedited shipping options are available at checkout.

Return Policy:

  • Products that are received damaged will receive a refund in store credit.
  • Most products are eligible for return within 30 days of receipt, except where noted below.
  • To initiate a return, please complete an RMA form prior to sending your item back.
  • Original shipping costs are non-refundable and will be deducted from the return credit.
  • Items returned missing accessories or original packaging, or that are not in the same condition as received, may be subject to a restocking fee of up to 100% depending on the condition of the item upon return.
  • Some returns will be charged an automatic 15% restocking fee.
  • We are unable to issue refunds for items that have been damaged or rendered inoperable due to installer error.
  • Please complete the return form to receive your RMA number and return shipping label.
  • Chemical products are not eligible for return under any circumstances.
  • The Pentair Colorsync 618031 is not eligible for return.
  • Pool cleaners are not eligible for return.
  • Opened seals and o-rings are not eligible for return.
  • Capacitors are not eligible for return.
  • Plastic popup tools are not eligible for return.
  • Automation components and circuit boards are not eligible for return.
  • If a light is returned due to a reported malfunction and is found to be fully operational upon testing, return shipping costs and a restocking fee will be deducted from the refund.
  • Orders refused at the time of delivery will be subject to the original shipping costs being deducted from the refund.
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